+ case 0134: return "Cannot use qualified namespace names in nested namespace declarations";
+ case 0145: return "A const field requires a value to be provided";
+ case 0160: return "A previous catch clause already catches all exceptions of this or a super type '{0}'";
+ case 0210: return "You must provide an initializer in a fixed or using statement declaration";
+ case 0243: return "Conditional not valid on '{0}' because it is an override method";
+ case 0247: return "Cannot use a negative size with stackalloc";
+ case 0415: return "The 'IndexerName' attribute is valid only on an indexer that is not an explicit interface member declaration";
+ case 0553: return "'{0}' : user defined conversion to/from base class";
+ case 0554: return "'{0}' : user defined conversion to/from derived class";
+ case 0577: return "Conditional not valid on '{0}' because it is a destructor, operator, or explicit interface implementation";
+ case 0578: return "Conditional not valid on '{0}' because its return type is not void";
+ case 0582: return "Conditional not valid on interface members";
+ case 0592: return "Attribute '{0}' is not valid on this declaration type. It is valid on {1} declarations only.";
+ case 0601: return "The DllImport attribute must be specified on a method marked `static' and `extern'";
+ case 0609: return "Cannot set the 'IndexerName' attribute on an indexer marked override";
+ case 0610: return "Field or property cannot be of type '{0}'";